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IC700(AMP IC) Troubleshooting
PIN10, 14 Signal input check
YES
2(+VH2), 1(-VH2) power check
YES
PIN3, 4, 5, 6 signal output check
YES
OK
TAPE PLAY
IC202 "18" pin VCC check
YES
IC202 "5, 20" pin signal output check
YES
Muting circuit check
NO
Muting circuit refer
Power IC replacement
PIN3, 4, 5, 6 DC check
Power IC replacement
NO
Troubleshooting check refer
NO
Deck Mecha operation check
IC202 replaement
- 2-9 -
YES
NO
YES
Deck Mecha replaement
NO
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